The good thing about a dam is that electricity can be created by mechanical means. That does not affect the atmosphere. Storing such production is a different matter.
The bad thing about a dam is that it wreaks havoc on the land where the water is stored behind the dam.
True! because without gravity the spacecraft wouldn't go where there wanted it, in the time that they wanted it
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)
The answer is mutation
of genes. The mutations were beneficial and gave the individuals of the population
advantage and hence increased their survival. The classic features of birds
evolved one by one and gave birds advantage over their dinosaurs counterparts, especially the feature of small size.
I’d say that it’s inventive
